8220981 (number)

8220981 is an odd 7-digits composite number following 8220980 and preceding 8220982. In scientific notation, it is written as 8.220981 × 10^6. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 5473440 positive integers (up to 8220981) that are relatively prime to 8220981.

Interesting facts

Basic properties

Name

Name eight million two hundred twenty thousand nine hundred eighty-one

Notation

Scientific notation 8.220981 × 10^6
Engineering notation 8.220981 × 10^6

Prime Factorization of 8220981

Prime Factorization 3 × 1087 × 2521

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 8220981
Product of the distinct prime numbers

The prime factorization of 8220981 is 3 × 1087 × 2521. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 8220981)

Multiplication

n×y
n×2 16441962
n×3 24662943
n×4 32883924
n×5 41104905

Division

n÷y
n÷2 4110490.5
n÷3 2740327
n÷3 2055245.25
n÷5 1644196.2

Exponentiation

ny
n2 67584528602361
n3 5.5561112553397E+20
n4 4.5676685064034E+27
n5 3.755071600544E+34

Nth Root

y√n
2√n 2867.2253137833
3√n 201.82480807353
4√n 53.546478070769
5√n 24.153759010519

Divisors of 8220981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -8220980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 8220981 can be divided by 8 positive divisors. The sum of these divisors (counting 8220981) is 1, the average is 0.125.

Base conversion 8220981

Base System Value
2 Binary 11111010111000100110101
3 Ternary 120110200001210
4 Quaternary 133113010311
5 Quinary 4101032411
6 Senary 452112033
8 Octal 37270465
10 Decimal 8220981
12 Duodecimal 2905619
16 Hexadecimal 7d7135
20 Vigesimal 2b7c91
36 Base36 4w7cl

Cryptographic Hash Functions

md5 85ee357d711e6f99daef992d5c9e51a9
sha1 2139d2d1b60eaa1c64bcd3f12ef02f63aa8832e6
sha256 7b9bc164d3fe23ea2ecee121602375805cbb1f02b2b7c092a3a591d7475d1926
sha512 d63c1723319328f213d1518140b1775ab2021ba7beb7b26d9d86b209e74d2205461544047cd75b722bf6819483c4e85cd5df2f9833d86a6c437385b19ffb2730
ripemd-160 40484cec951ef9576ae5551cdd8fe73253a6411b

8220981 as geometric shapes

Circle

Radius = n
Diameter 16441962
Circumference 51653947.029803
Area 2.1232305855351E+14

Sphere

Radius = n
Volume 2.327338440307E+21
Surface area 8.4929223421403E+14
Circumference 51653947.029803

Square

Length = n
Perimeter 32883924
Area 67584528602361
Diagonal 11626222.826212

Cube

Length = n
Surface area 405507171614166
Volume 5.5561112553397E+20
Space diagonal 14239156.780058

Equilateral Triangle

Length = n
Perimeter 24662943
Area 29264959336220
Altitude 7119578.3900292

Triangular Pyramid

Length = n
Surface area 29264959336220
Volume 6.5479399094626E+19
Height 3875407.6087372